Ringworld's Children
Larry Niven
Ringworld (4)
The Da Vinci Code
Dan Brown
Robert Langdon (2)
A Parade of Horribles: Dungeon Crawler Carl, Book 8
Matt Dinniman
Treaty at Doona
Anne McCaffrey & Jody Lynn Nye
Doona (3)
Foundation
Isaac Asimov
Foundation (Publication Order) (1)
Foundation and Empire
Foundation (Publication Order) (2)
Second Foundation
Foundation (Publication Order) (3)